1080p, Front Row, DVD/Video_TS

Hi,
I'm just wondering if anyone has connected their Macbook (not pro) to their HDTV and run Front Row to play DVDs either from the drive or from a Video_TS folder. I'm asking this because when running at 1920x1080 to my Sony XBR LCD, I get choppy playback of DVDs in Front Row, but not in the Apple DVD player. I know that countless people running Mac Minis do the very same thing using the GMA950 so is this a result of poor X3100 drivers?

It works for me fine in dvd player and vlc. I happen to really like front row however and like how it's integrated with the remote control. (I can grab my remote, go in to front row, select a movie without ever walking up to my computer).

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